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2018_2019学年高中生物2.1.1减数分裂（知识表格）减数分裂过程中DNA、染色体、染色单体的数量变化素材新人教版必修2.pptx

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2018_2019学年高中生物2.1.1减数分裂（知识表格）减数分裂过程中DNA、染色体、染色单体的数量变化素材新人教版必修2.pptx_第1页
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0,间期 前期 中期 后期 末期,前期 中期 后期 末期,2n4n,4n,2n,2N,N,04m,4m,2m,4n,4n,2n,2n,2n,n,2N,2N,2N,N,N,2N,N,4m,4m,2m,2m,0,减数分裂过程中DNA、染色体、染色单体的数量变化,

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